Park, D. Clark. 1993. Rope Tension Ratios over Top Piece
Carabiner and Belay Device in a Rock Climbing Lead Fall. North
Carolina State University

Park, D. Clark and David, Joseph. 1992. Rock Climbing Lead
Fall Dynamics. North Carolina State University *this entry is
currently in the bibliography under David, Joseph with a slightly
different title. This one is the published paper, so delete the
other reference*

Testing Standards

ASTM C1028-96 Standard test method for
determining the static coefficient of friction of ceramic tile
and other like surfaces by the horizontal dynamometer pull-meter
method. ASTM, West Conshohoken, PA